Metin Gurses, Tahsin Cagri Sisman, Bayram Tekin
We show that the recently found AdS-plane and AdS-spherical wave solutions of quadratic curvature gravity also solve the generic f(Riemann) theory. More generally, we show that the field equations of D-dimensional f(Riemann) theory reduce to those of quadratic curvature gravity for radiating type-N spacetimes with constant Ricci scalar. This result allows one to use the type-N solutions of the latter theory to generate the solutions of the former.
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http://arxiv.org/abs/1305.1565
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